Inventions What plaything was invented by Joe McVicker in 1956? Etch-A-Sketch Play-Doh Silly Putty Lite-Brite Etch-A-Sketch Play-Doh Silly Putty Lite-Brite ANSWER DOWNLOAD EXAMIANS APP
Inventions What charge card, developed in 1950, was the first to be accepted nationally in the US? MasterCharge Diner's Club Discover Visa MasterCharge Diner's Club Discover Visa ANSWER DOWNLOAD EXAMIANS APP
Inventions What Frank Whittle invented? Sonar Ethyl gasoline Jet propulsion Radar Sonar Ethyl gasoline Jet propulsion Radar ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bifocal Lens? Rudolf Diesel Alfred B. Nobel Benjamin Franklin Thomas Alva Edison Rudolf Diesel Alfred B. Nobel Benjamin Franklin Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the BALLPOINT PEN? Biro Brothers Bicc Brothers Waterman Brothers Write Brothers Biro Brothers Bicc Brothers Waterman Brothers Write Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the first controllable flying AEROPLANE (AIRPLANE)? South Brothers Wright Brothers West Brothers Lidenbergh Brothers South Brothers Wright Brothers West Brothers Lidenbergh Brothers ANSWER DOWNLOAD EXAMIANS APP
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